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Mandelson failed security vetting for ambassador role, Guardian reports

Published by Global Banking & Finance Review

Posted on April 16, 2026

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· Last updated: April 17, 2026

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Mandelson failed security vetting for ambassador role, Guardian reports
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By Alistair Smout and Andrew MacAskill LONDON, April 16 (Reuters) - Peter Mandelson, the former British ambassador to Washington who was fired for his links to Jeffrey Epstein, failed his security

UK foreign ministry chief to leave after Mandelson vetting row

Foreign Ministry Turmoil Following Mandelson Vetting Controversy

By Elizabeth Piper, Alistair Smout, Andrew MacAskill and Sam Tabahriti

Loss of Confidence in Foreign Ministry Official

LONDON, April 16 (Reuters) - Britain's top foreign ministry official will leave his post after Prime Minister Keir Starmer and Foreign Minister Yvette Cooper lost confidence in him, a source said on Thursday, following a row over the security vetting of Peter Mandelson.

The disclosure of the vetting failure has intensified pressure on Starmer over his appointment of Mandelson, Britain's former U.S. ambassador, who is under police investigation for allegedly leaking government documents to the sex offender Jeffrey Epstein, and has led to renewed calls for the prime minister to resign.

Mandelson failed his security vetting before taking up the role, but the government said Starmer was unaware officials had overruled the recommendation.

Government Response and Apology

"Neither the Prime Minister, nor any government minister, was aware that Peter Mandelson was granted developed vetting against the advice of UK Security Vetting until earlier this week," a government spokesperson said in a statement on Thursday.

The decision was taken by officials in the foreign ministry, the spokesperson added.

Starmer has apologised for the appointment but defended his own actions, accusing Mandelson of creating a "litany of deceit" about his Epstein ties and promising to release documents on how he was appointed.

Departure of Olly Robbins

A source familiar with the matter said on Thursday that Olly Robbins, the most senior official at the foreign ministry, would leave his post after Starmer and his boss Cooper lost confidence in him.

A foreign ministry spokesperson said in a separate statement that Starmer had "initiated a process to establish the facts" of the vetting process, adding that it "was working urgently to comply with that process."

Mandelson's Vetting and Dismissal

Security Vetting Failure

MANDELSON FIRED IN SEPTEMBER

The Guardian newspaper had reported earlier on Thursday that the failed security check came after Mandelson's appointment had been announced. The government has previously pledged to overhaul the vetting process and "address weaknesses" in the system. 

The report also said that officials were considering whether to withhold publication of the documents that would reveal Mandelson had not been given security clearance. 

However, the government spokesperson said that once Starmer had been informed, he had instructed officials to establish why the clearance had been granted and to update parliament.

Mandelson's Response and Background

Mandelson has not commented publicly on allegations he leaked documents, and a lawyer for Mandelson did not provide a comment about the report.

Mandelson, 72, was fired from the most prestigious posting in Britain's diplomatic service in September, when the depth of his friendship with Epstein started to become clear.

Epstein Connection and Political Fallout

His relationship with the convicted sex offender, who died in prison while awaiting trial in 2019 on sex trafficking charges, is at the centre of a British political scandal that has forced the resignation of two senior government officials.

Political Repercussions and Opposition Response

Accusations Against Starmer

OPPOSITION PARTIES SAY STARMER MISLED PARLIAMENT

The opposition leader Kemi Badenoch accused Starmer of misleading parliament when he said three times in September that "full due process" had been followed.

If Starmer was found to have knowingly misled parliament, he would have broken the code that governs ministers' behaviour and would be expected to resign.

Calls for Resignation and Ongoing Investigation

"Keir Starmer said in February that the security services had given Mandelson 'clearance for the role,'" said Nigel Farage, leader of the populist Reform UK Party which is leading polls. "Now we discover that he has blatantly lied, the prime minister should resign."

Mandelson was arrested in February on suspicion of misconduct in public office after Starmer's government passed on communications between the former ambassador and Epstein. He was later released on bail, pending further investigation. 

Starmer faces further scrutiny as parliament is expected to release more documents related to his vetting. 

Historical Context of Ministerial Resignations

Former Prime Minister Boris Johnson was forced to resign in 2022 in part because of months of embarrassing headlines about illicit parties held in government buildings during the COVID pandemic and accusations he misled parliament.

(Reporting by Elizabeth Piper, Alistair Smout, Andrew MacAskill and Sam Tabahriti; Editing by Alison Williams, Toby Chopra and Nick Zieminski)

Key Takeaways

  • Mandelson failed his developed vetting (DV) by UK Security Vetting on 28 January 2025, but the FCDO overruled the decision within 48 hours, enabling his ambassadorial appointment. (en.wikipedia.org)
  • Documents show Mandelson was offered classified briefings before formal vetting concluded, despite Foreign Office security guidelines requiring vetting three months ahead. (theguardian.com)
  • Prime Minister Keir Starmer was warned of reputational risk due to Mandelson’s ties with Epstein but proceeded with the appointment, triggering political backlash and parliamentary scrutiny. (apnews.com)

References

Frequently Asked Questions

Why was Peter Mandelson's security vetting failed?
Peter Mandelson failed his security vetting due to concerns over his links to Jeffrey Epstein before taking up the ambassador role.
Did UK officials overrule Mandelson's failed vetting?
Yes, foreign ministry officials intervened and overruled the advice, allowing Mandelson to take up the ambassador post.
What is Prime Minister Keir Starmer's role in Mandelson's appointment?
Keir Starmer has faced criticism for appointing Mandelson and for defending the decision, leading to renewed calls for his resignation.
What allegations does Mandelson face?
Mandelson is under investigation for allegedly leaking government documents and for his friendship with convicted sex offender Jeffrey Epstein.
Has Mandelson or the government commented on the report?
Mandelson and the government have made no immediate public comment about the failed security vetting report.

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